Serious Sam HD: The Second Encounter had Steam trading card support added on March 18, 2016. There are 8 cards in the series, and you'll receive 4 cards at random for purchasing and playing the game.

Serious Sam HD: The First Encounter also has Steam trading card support.

Trading Cards

Foil Cards


Booster Pack


Profile Backgrounds

Card Artwork

  • Highlander's Bride
  • Cucurbito the Pumpkin
  • Zumb'ul
  • Serious Sam
  • Zorg Mercenary
  • Scythian Witch-Harpy
  • Beheaded Kamikaze
  • Exotech Larva